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<h2>siRNA structure</h2>
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The following terms and structure of siRNA are used in this software:<br>
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<b>Sense (Passenger) strand</b> - The strand which is identical to the target sequence. During the formation of the RISC complex this strand is usually destroyed.<br>
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<b>Antisense (Guide) strand</b>. Reverse complement to the passenger stand and to the target sequence. This strand enters the RISC complex.<br>
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Nucleotide position of the sense and antisense strand are given as follows (for a 21-mer):
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<img style="width: 1091px; height: 767px;" alt="" src="siRNA.jpg">

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